deber — Present Simple in Spanish
| Pronoun | Conjugation | English | Example in Spanish |
|---|---|---|---|
| yo | debo | I must finish my homework. | Debo terminar mi tarea. |
| tú | debes | You must clean your room. | Debes limpiar tu habitación. |
| él/ella | debe | He must call his mom. | Él debe llamar a su mamá. |
| nosotros | debemos | We must arrive on time. | Debemos llegar a tiempo. |
| ustedes | deben | You all must wear helmets for safety. | Ustedes deben usar cascos por seguridad. |
deber — Past Simple in Spanish
| Pronoun | Conjugation | English | Example in Spanish |
|---|---|---|---|
| yo | debí | I had to leave early yesterday. | Debí salir temprano ayer. |
| tú | debiste | You had to study for the exam. | Debiste estudiar para el examen. |
| él/ella | debió | She had to visit her grandmother. | Ella debió visitar a su abuela. |
| nosotros | debimos | We had to change our plans. | Debimos cambiar nuestros planes. |
| ustedes | debieron | You all had to finish the project before the deadline. | Ustedes debieron terminar el proyecto antes de la fecha límite. |
deber — Past Imperfect in Spanish
| Pronoun | Conjugation | English | Example in Spanish |
|---|---|---|---|
| yo | debía | I was supposed to help my dad every weekend. | Debía ayudar a mi papá todos los fines de semana. |
| tú | debías | You were supposed to practice piano daily. | Debías practicar piano diariamente. |
| él/ella | debía | He was supposed to walk the dog every morning. | Él debía pasear al perro todas las mañanas. |
| nosotros | debíamos | We were supposed to read a book each month. | Debíamos leer un libro cada mes. |
| ustedes | debían | You all were supposed to attend the meeting. | Ustedes debían asistir a la reunión. |
deber — Future in Spanish
| Pronoun | Conjugation | English | Example in Spanish |
|---|---|---|---|
| yo | deberé | I will have to work this weekend. | Deberé trabajar este fin de semana. |
| tú | deberás | You will have to study for the test tomorrow. | Deberás estudiar para el examen mañana. |
| él/ella | deberá | She will have to visit the doctor next week. | Ella deberá visitar al doctor la próxima semana. |
| nosotros | deberemos | We will have to prepare dinner tonight. | Deberemos preparar la cena esta noche. |
| ustedes | deberán | You all will have to submit the report by Friday. | Ustedes deberán entregar el informe para el viernes. |
deber — Conditional in Spanish
| Pronoun | Conjugation | English | Example in Spanish |
|---|---|---|---|
| yo | debería | I would have to move if I got a new job. | Debería mudarme si consiguiera un nuevo trabajo. |
| tú | deberías | You would have to learn French if you moved to France. | Deberías aprender francés si te mudaras a Francia. |
| él/ella | debería | He would have to apologize if he made a mistake. | Él debería disculparse si cometiera un error. |
| nosotros | deberíamos | We would have to change our plans if it rains. | Deberíamos cambiar nuestros planes si llueve. |
| ustedes | deberían | You all would have to leave early if there is traffic. | Ustedes deberían salir temprano si hay tráfico. |
deber — Present Subjunctive in Spanish
| Pronoun | Conjugation | English | Example in Spanish |
|---|---|---|---|
| yo | deba | I hope I must not go there tomorrow. | Espero que no deba ir allí mañana. |
| tú | debas | I doubt you must finish it today. | Dudo que debas terminarlo hoy. |
| él/ella | deba | It is important that he must study more. | Es importante que él deba estudiar más. |
| nosotros | debamos | It is necessary that we must follow the rules. | Es necesario que debamos seguir las reglas. |
| ustedes | deban | I hope you all must not worry about it. | Espero que no deban preocuparse por eso. |